When tcnative starts, it emits information like this to catalina.out: pr 10, 2012 4:54:55 PM org.apache.catalina.core.AprLifecycleListener init INFO: Loaded APR based Apache Tomcat Native library 1.1.23. Apr 10, 2012 4:54:55 PM org.apache.catalina.core.AprLifecycleListener init INFO: APR capabilities: IPv6 [true], sendfile [true], accept filters [false], random [true]. It would be nice if the APR version in use could also be displayed as well as the tcnative version. Maybe the OpenSSL version, too.
Looks like APR version is trivial, while OpenSSL version is not. I'll file separately for OpenSSL version.
Fixed in trunk and 7.0.x. Will be in 7.0.28. Proposed for 6.0.x.
Changed product, as this change is entirely in Tomcat itself, and not in the native component.
Back-ported to 6.0.x. Will be in 6.0.36.